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DIN ISO 7884-4:1998-02
Glass - Viscosity and viscometric fixed points - Part 4: Determination of viscosity by beam bending (ISO 7884-4:1987)More info
The document specifies a method of determining the dynamic viscosity of glass on a rod-shaped test specimen (called a beam) supported at its end. The viscous deflection rate of the beam is measured under given load at the midpoint between the supports. In addition the viscosity-temperature relationship and the dependence of the viscosity on the thermal history of the sample can be determined.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 81.040.10 : Raw materials and raw glass |
| Number of pages | 13 |
| Replace | DIN 52312-4 (1983-09) |
| Cross references | ISO 7884-4 (1987-12), IDT |
| Set | MYSTD-20STD |
| Year | 1990 |
| Document history | DIN ISO 7884-4 (1998-02) |
| Country | Germany |
| Keyword | DIN ISO 7884;7884 |